Lap desk



FIG. 1 is a top perspective view of a lap desk showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a right side elevational view thereof with the desk in a raised position; and,

FIG. 8 is a right side elevational view thereof with the lid in raised position. 

The ornamental design for a lap desk, as shown and described. 